To accept and invite someone to share access to the Jungle Scout account, you will need to click on the "Activate Account" button in the email you received.
Please note that if you already have an account with Jungle Scout, you will need to log out of your account first or open that link using Incognito mode. Otherwise, the invitation will not be accepted.
Once you click the link, all you need to do is enter your first and last name, email address, and the password you want to use for your account:
If you already have an account, all you need to do is enter your email address and the password you are currently using to log in to Jungle Scout.